【C/C++学院】（15）QT布局：用户信息

通过实现一个“用户基本资料修改”的功能表来练习使用基本的布局管理，QHBoxLayout,
QVBoxLayout, QGridLayout。

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include <QLabel>
#include <QLineEdit>
#include <QComboBox>
#include <QTextEdit>
#include <QGridLayout>
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>

class Widget : public QWidget
{
    Q_OBJECT

public:
    Widget(QWidget *parent = 0);
    ~Widget();
private:
    /**左侧***/
    QLabel *UserNameLabel; QLineEdit *UserNameLineEdit;
    QLabel *NameLabel; QLineEdit *NameLineEdit;
    QLabel *SexLabel; QComboBox *SexComboBox;
    QLabel *DepartmentLabel; QTextEdit *DepartmentTextEdit;
    QLabel *AgeLabel; QLineEdit *AgeLineEdit;
    QLabel * OtherLabel; QGridLayout *LeftLayout;
    /**右侧***/
    QLabel *HeadLabel; QLabel *HeadIconLabel;
    QPushButton *UpdateHeadBtn; QHBoxLayout *TopRightLayout;
    QLabel *IntroductionLabel; QTextEdit *IntroductionTextEdit;
    QVBoxLayout *RightLayout;
    /**底部***/
    QPushButton *OkBtn, *CancelBtn;
    QHBoxLayout *ButtonLayout;
};

#endif // WIDGET_H

#include "widget.h"
#include <QPixmap>
#include <QFrame>

Widget::Widget(QWidget *parent)
    : QWidget(parent)
{
    setWindowTitle(tr("UserInfo"));
    setWindowIcon(QIcon("1.jpg"));//设置窗口光标

    /**左侧***/
    UserNameLabel = new QLabel(tr("用户名:"));
    UserNameLineEdit = new QLineEdit;
    NameLabel = new QLabel(tr("姓名:"));
    NameLineEdit = new QLineEdit;
    SexLabel = new QLabel(tr("性别:"));
    SexComboBox = new QComboBox;
    SexComboBox->addItem(tr("男"));
    SexComboBox->addItem(tr("女"));
    DepartmentLabel = new QLabel(tr("部门:"));
    DepartmentTextEdit = new QTextEdit;
    AgeLabel = new QLabel(tr("年龄:"));
    AgeLineEdit = new QLineEdit;
    OtherLabel = new QLabel(tr("备注:"));
    OtherLabel->setFrameStyle(QFrame::Panel|QFrame::Sunken);//凹陷效果
    //表格布局
    LeftLayout = new QGridLayout();
    LeftLayout->addWidget(UserNameLabel, 0, 0);//用户名
    LeftLayout->addWidget(UserNameLineEdit, 0, 1);

    LeftLayout->addWidget(NameLabel, 1, 0);//姓名
    LeftLayout->addWidget(NameLineEdit, 1, 1);

    LeftLayout->addWidget(SexLabel, 2, 0);//性别
    LeftLayout->addWidget(SexComboBox, 2, 1);

    LeftLayout->addWidget(DepartmentLabel, 3, 0);//部门
    LeftLayout->addWidget(DepartmentTextEdit, 3, 1);

    LeftLayout->addWidget(AgeLabel, 4, 0);//年龄
    LeftLayout->addWidget(AgeLineEdit, 4, 1);

    LeftLayout->addWidget(OtherLabel, 5, 0, 1, 2);//其他//占用1行2列

    LeftLayout->setColumnStretch(0, 1);//设置gridlayout每列的占位比例
    LeftLayout->setColumnStretch(1, 3);

    /**右侧***/
    HeadLabel = new QLabel(tr("头像:"));//右上角部分
    HeadIconLabel = new QLabel;
    QPixmap icon("1.jpg");
    HeadIconLabel->setPixmap(icon);//lable显示图像
    HeadIconLabel->resize(icon.width(), icon.height());//设置label大小与图像相同
    UpdateHeadBtn = new QPushButton(tr("更新"));

    TopRightLayout = new QHBoxLayout();
    TopRightLayout->setSpacing(20);//设置间距
    TopRightLayout->addWidget(HeadLabel);
    TopRightLayout->addWidget(HeadIconLabel);
    TopRightLayout->addWidget(UpdateHeadBtn);
    IntroductionLabel = new QLabel(tr("个人说明:"));//右下角部分
    IntroductionTextEdit = new QTextEdit;

    RightLayout = new QVBoxLayout();
    RightLayout->setMargin(10);//设置边距
    RightLayout->addLayout(TopRightLayout);
    RightLayout->addWidget(IntroductionLabel);
    RightLayout->addWidget(IntroductionTextEdit);

    /**底部***/
    OkBtn = new QPushButton(tr("确定"));
    CancelBtn = new QPushButton(tr("取消"));

    ButtonLayout = new QHBoxLayout();
    ButtonLayout->addStretch();//加入一个占位符
    ButtonLayout->addWidget(OkBtn);
    ButtonLayout->addWidget(CancelBtn);

    /**********整体的主布局**************/
    QGridLayout *mainLayout = new QGridLayout(this);
    mainLayout->setMargin(15);
    mainLayout->setSpacing(10);
    mainLayout->addLayout(LeftLayout, 0, 0);
    mainLayout->addLayout(RightLayout, 0, 1);
    mainLayout->addLayout(ButtonLayout, 1, 0, 1, 2);//占用1行2列
    mainLayout->setSizeConstraint(QLayout::SetFixedSize);//设置layout大小和控件尺寸一致,使窗口不能更改大小
}

Widget::~Widget()
{

}

界面效果图：

图片资源所存放的路径：

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